- All sections
- B - Performing operationstransporting
- B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors
- B65G 33/16 - Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with flexible screws operating in flexible tubes
Patent holdings for IPC class B65G 33/16
Total number of patents in this class: 17
10-year publication summary
|
1
|
4
|
1
|
3
|
1
|
2
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wamgroup S.p.A. | 97 |
2 |
| Schlumberger Canada Limited | 7524 |
1 |
| Schlumberger Technology B.v. | 5259 |
1 |
| Schlumberger Holdings Limited | 2753 |
1 |
| J. & M. Manufacturing Co., Inc. | 75 |
1 |
| Kammerer GmbH | 16 |
1 |
| North Carolina State University | 1588 |
1 |
| Recover Energy Services Inc. | 51 |
1 |
| Rochling Leripa Papertech GmbH & Co. KG | 17 |
1 |
| Services Petroliers Schlumberger | 5945 |
1 |
| WAM S.p.A. | 10 |
1 |
| The Young Industries, Inc. | 13 |
1 |
| Prad Research and Development NV | 144 |
1 |
| Great Lakes Forage Systems, LLC | 4 |
1 |
| Nanjing Juli Intelligent Manufacturing Technology Institute Co., Ltd. | 16 |
1 |
| Smart-marine ApS | 3 |
1 |
| Other owners | 0 |